Function soup3_sys::soup_multipart_input_stream_next_part_async

pub unsafe extern "C" fn soup_multipart_input_stream_next_part_async(
    multipart: *mut SoupMultipartInputStream,
    io_priority: c_int,
    cancellable: *mut GCancellable,
    callback: GAsyncReadyCallback,
    data: gpointer
)